Home / 37,269.06-51,432.60-21,356.55

Finding the Fourth Proportional to 37,269.06, 51,432.60 and 21,356.55

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Solution

The fourth proportional to 37,269.06, 51,432.60 and 21,356.55 is: 29,472.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,269.06 : 51,432.60 = 21,356.55 : x
  2. Step 2: Convert to fraction form
    37,269.06/51,432.60 = 21,356.55/x
  3. Step 3: Cross multiply
    37,269.06x = 51,432.60 × 21,356.55
  4. Step 4: Simplify right side
    37,269.06x = 1,098,422,893.53
  5. Step 5: Solve for x
    x = 1,098,422,893.53/37,269.06
  6. Step 6: Final answer
    x = 29,472.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.